Abstract
This paper presents a new approach to simultaneously schedule energy and reserve in an electricity market. The proposed model explicitly incorporates an n-K security criterion by which power balance is guaranteed under any contingency state comprising the simultaneous loss of up to K generation units. Instead of considering all possible contingency states, which would render the problem intractable, a novel method based on robust optimization is proposed. Using the notion of umbrella contingencies, the robust counterpart of the original problem is formulated. The resulting model is a particular instance of bilevel programming which is solved by its transformation to an equivalent single-level mixed-integer programming problem. Unlike previously reported contingency-dependent approaches, the robust model does not depend on the size of the contingency set, thus providing a computationally efficient framework. Simulation results back up these conclusions.
Original language | English |
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Title of host publication | 17th Power Systems Computation Conference, PSCC 2011 |
Publisher | Power Systems Computation Conference (PSCC) |
ISBN (Electronic) | 9789175012575 |
Publication status | Published - 1 Jan 2011 |
MoE publication type | A4 Conference publication |
Event | Power Systems Computation Conference - Stockholm, Sweden Duration: 22 Aug 2011 → 26 Aug 2011 Conference number: 17 |
Conference
Conference | Power Systems Computation Conference |
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Abbreviated title | PSCC |
Country/Territory | Sweden |
City | Stockholm |
Period | 22/08/2011 → 26/08/2011 |
Keywords
- Bilevel programming
- Energy and reserve scheduling
- N-K security criterion
- Robust optimization
- Umbrella contingencies